// Run this example by adding <%= javascript_pack_tag 'hello_react' %> to the head of your layout file, // like app/views/layouts/application.html.erb. All it does is render
Hello React
at the bottom // of the page. import React from 'react' import ReactDOM from 'react-dom' const Settings = () => (
Settings page
) document.addEventListener('DOMContentLoaded', () => { ReactDOM.render( , document.getElementById('root') ) })